*{
    margin: 0;
    padding: 0;
}
a {
  text-decoration: none;
  color: #000000;
}
img {
    vertical-align:top;
}
body {
  padding-top: 140px;
  box-sizing: border-box;
    background-color: #fff;;
}
html {
  scroll-behavior: smooth;
}
/* 公共样式 */
.link_a {
    display: inline-block;
    text-decoration: none;
}

header {
    width: 100%;
    background-color: #fff;
    position: fixed;
    top: 0;
    z-index:999;
    background-color: #fff;
}
header .head {
    width: 1160px;
    height: 100px;
    margin: 0 auto;
    /* background-color: skyblue; */
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .head .logo {
    width: 174px;
    height: 60px;
    /* background-color: pink; */
}
header .head .logo img {
    width: 100%;
}
header .head .user_info {
    width: 400px;
    height: 44px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
header .head .user_info .link {
    width: 100px;
    height: 22px;
    display: flex;
    justify-content: space-evenly;
}
header .head .user_info .link a{
    font-size: 13px;
    color: #333;
}
header .head .user_info .search {
    width: 160px;
    height: 32px;
    display: flex;
    border-bottom: 1px solid #000;
}
header .head .user_info .icon {
    width: 120px;
    height: 24px;
    display: flex;
    justify-content: space-between;
    margin-left: 8px;
}

header .head .user_info input {
    border: 0px;
    width: 130px;
}
header .head .user_info button {
    background: url(../images/ss.png);
    width: 20px;
    height: 20px;
    border: 0px;
    margin-top: 6px;
    cursor: pointer;
}

header nav {
    width: 100%;
    position: relative;
    box-sizing: border-box;
    /* border-top: 1px solid gray; */
    border-bottom: 1px solid gray;
    height: 40px;
    /* background-color:aquamarine; */
}
header nav .navigation {
    width: 1160px;
    height: 40px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
header nav .navigation>a {
    padding: 20px 20px;
    color: #333;
    font-size: 14px;
    transition: all 0.5s;
}

header nav .navigation>a[name="all"]:hover .all_product{
  height: 280px;
}
header nav .navigation a[name="accessories"] {
  transition: all 1s;
}
header nav .navigation a[name="accessories"]:hover .css{
  display: block;
}
header nav .navigation a[name="decorations"]:hover .decorations{
  display: block;
}
header nav .navigation span a{
    font-size: 12px;
    color: #666666;
}

header nav .navigation .all_product {
  width: 100%;
  height: 0;
  background-color: #fff;
  position: absolute;
  top: 41px;
  left:0;
  z-index: -1;
  overflow: hidden;
  transition: all 0.5s;
}
header nav .navigation .all_product .center {
  width: 1160px;
  height: 280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-evenly;
  transition: all 0.5s;
}
header nav .navigation .all_product .center .product_item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-evenly;
}
/* 第二个样式 */
header nav .navigation .css {
  width: 100%;
  height: 40px;
  display: none;
  position: absolute;
  background-color: #fff;
  top:41px;
  left:0;
  transition: all 0.5s;
}
header nav .navigation .css .center {
  width: 550px;
  height: 40px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  transition: all 0.5s;
}
header nav .navigation .css .center span:first-child {
  font-size: #000;
  margin-right: 10px;
  cursor: pointer;
}
header nav .navigation .css .center span:last-child {
  font-size: #000;
  cursor: pointer;
}
/* 第二个样式 */

/* 第三个样式 */
header nav .navigation .decorations {
  width: 100%;
  height: 40px;
  position: absolute;
  background-color: #fff;
  display: none;
  top:41px;
  left:0;
  transition: all 0.5s;
}
header nav .navigation .decorations .content {
  width: 550px;
  height: 40px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}
header nav .navigation .decorations .content span:first-child {
  font-size: #000;
  margin-right: 10px;
  cursor: pointer;
}
header nav .navigation .decorations .content span:last-child {
  font-size: #000;
  cursor: pointer;
}

/* 导航 */
.position {
    width: 100%;
    height: 40px;
    background-color: #fff;
    border-bottom: 1px solid gray;
}
.position .link {
    width: 1160px;
    height: 40px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}
.position .link span {
    margin-right: 24px;
}
.position .link span a {
    font-size:12px;
    color:#666;
}
/* 导航 */

.goTop {
  position: fixed;
  top:393px;
  right:12px;
  width: 58px;
	height: 238px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}
.goTop div {
  width: 50px;
  height: 50px;
  background-color: #f4f4f4;
  border: solid 1px #d6d6d6;
}
.goTop div a {
  width: 50px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.goTop div img {
  text-align: center;
  line-height: 17px;
	width: 19px;
	height: 17px;
}

.content {
    padding-top: 28px;
    box-sizing: border-box;
    margin: 0 auto;
    width: 1160px;
    height: 714px;
    display:flex;
    justify-content: space-between;
}
.content .order {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.content .order img {
    width: 580px;
    height: 580px;
}
.content .order .icon {
    display: flex;
    justify-content: flex-start;
    margin-top: 20px;
}
.content .order .icon img {
    width: 85px;
    height: 85px;
    margin-right: 20px;
}
.content .details {
    position: relative;
    width: 501px;
    height: 100%;
}
.content .details .absolute{
    position: absolute;
    top: 14px;
    right:0;
    width: 501px;
    height: 482px;
}

.content .details .absolute .class {
    width: 492px;
	height: 222px;
    margin-bottom: 47px;
}
.content .details .absolute .class div:first-child {
    margin-bottom: 9px;
}
.content .details .absolute .title {
    font-size:22px;
    color: #262626;
    margin-bottom: 19px;
}
/* .content .details .absolute div:nth-child(2) {
    font-size:12px;
    color:#666666;
    margin-bottom: 17px;
} */
.content .details .absolute .pric {
    font-size:22px;
    color:#c10000;
    margin-bottom: 41px;
}
.content .details .absolute .num {
    font-size:12px;
    color:#262626;
    margin-bottom: 28px;
}
.content .details .absolute .num span {
    color: #c10000;
}
.content .details .absolute .button {
    margin-bottom: 20px;
}
.content .details .absolute .last {
    width: 501px;
    height: 75px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    border-top: 1px solid #dbdbdb;
    align-items: flex-end;
}
.content .details .absolute .last button:first-child {
    width: 170px;
    height: 40px;
    background-color: #c10000;
    border: none;
    color: #fff;
}
.content .details .absolute .last button:last-child {
    width: 170px;
    height: 40px;
    border: solid 1px #000000;

    color: #000;
}
.content .details .select { 
    padding-top: 29px;
    border-top:1px solid #dbdbdb;
    width: 500px;
    font-size:12px;
    color: #262626;

}

.content .details button {
    width: 27px;
    height: 27px;
    background-color: #fefefe;
    border: solid 1px #dadada;
    cursor: pointer;
}
.content .details .select .num span {
    font-size: 12px;
    color:#c10000;
}
.content .details .select div:first-child {
    font-size: 12px;
    color: #262626;
}

.content .details .select .select_pic img {
    width: 45px;
    height: 45px;
    margin-right: 26px;
}
.content .details .select div:nth-child(2) {
    margin-top: 29px;
    margin-bottom: 48px;
}
.content .details .select .color {
    margin-bottom: 24px !important;
}

/* 主体部分 */

/* 商品的介绍 */
main {
    padding-top: 50px;
    box-sizing: border-box;
    width: 1160px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
/*  */
main .product_info {
    width: 945px;
}
main .product_info .product_nav {
    width: 945px;
    height: 42px;
    background-color: #fff;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    border-top: 1px solid #dbdbdb;
    border-bottom: 1px solid #dbdbdb;
}
main .product_info .product_nav div {
    width: 90px;
    text-align: center;
    font-size: 12px;
    color: #000;
}
main .product_info .product_nav div:nth-child(1) a{
    color:#c10000;
}
main .product_info .product_content {
    display: flex;
    flex-direction: column;
}
main .product_info .product_content img {
    width: 945px;
}
main .product_cell {
    width: 200px;

}
main .product_cell .product_title {
    width: 200px;
    height: 40px;
    background-color: #f6f6f6;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    color:#333;
}
/* 商品推荐 */

main .product_cell .product_cell_content .item{
    width: 200px;
    height: 318px;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* justify-content: space-evenly; */
    font-size:12px;
    color:#000;
}
main .product_cell .product_cell_content .item a {
    width: 160px;
	height: 242px;
}
main .product_cell .product_cell_content .item img {
    width: 160px;
	height: 242px;
}
main .product_cell .product_cell_content .item div:nth-child(2) {
    margin-top: 19px;
    margin-bottom: 19px;
    font-size: 12px;
    color: #000;
}
main .product_cell .product_cell_content .item div:nth-child(3) {
    font-size: 12px;
    color: #666;
}

/* 商品的介绍 */

/* 主体部分 */

/* 轮播图 */
.banner {
	width: 1298px;
	height: 330px;
    margin-left:194px;
    display:flex;
    padding: 13px;
    padding-top: 46px ;
    box-sizing: border-box;
    justify-content: space-evenly;
    align-items: center;
}
.banner .goods {
    width: 216px;
	height: 286px;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    color: #000;

}
.banner .goods span{
    color: #c10000;
}
.banner .next {
    width: 20px;
    height: 36px;

}

/* 轮播图 */


/* 页脚 */
footer .promise {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 116px;
    background-color: #fff;
  }
  footer .promiser {
    width: 290px;
    height: 53px;
    box-sizing: border-box;
    border-right: 1px solid #dbdbdb;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  footer .promiser .margin {
    margin-right: 12px;
  }
  footer .copyright {
    width: 100%;
  height: 90px;
  background-color: #000000;
    color: #fff;
    font-size:12px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-indent: 12em;
  }
  /* 页脚 */
  